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实现数据格式转换,对xml数据文件进行解析,把数据保存到csv文件里。
private void button1_Click(object sender, EventArgs e)
{
resultTable = new System.Data.DataTable();
fieldName = new List<string>();
for (int i = 0; i < listBox1.Items.Count; i )
{
resultTable.Rows.Clear();
string batchPath = Path.Combine(textBox1.Text.Trim(), listBox1.Items[i].ToString());
DirectoryInfo dir = new DirectoryInfo(batchPath);
FileInfo[] xmlFiles = dir.GetFiles("*.xml");
foreach (FileInfo file in xmlFiles)
{
ReadXmlDataName(file.FullName);
}
if (fieldName.Count > 0)
{
foreach (string name in fieldName)
{
DataColumn cn = new DataColumn(name);
resultTable.Columns.Add(cn);
}
}
foreach (FileInfo file in xmlFiles)
{
ReadXmlData(file.FullName);
}
string csvName = Path.Combine(textBox1.Text.Trim(), listBox1.Items[i].ToString() ".csv");
ExportToCsv(resultTable, csvName);
//string xlsName = Path.Combine(textBox1.Text.Trim(), listBox1.Items[i].ToString() ".xls");
//ExportToXls(resultTable, xlsName);
}
}
private void ReadXmlData(string xmlPath)
{
XmlDocument doc = new XmlDocument();
doc.Load(xmlPath);
XmlNodeList listINDI = doc.GetElementsByTagName("INDI");
XmlNodeList listFAM = doc.GetElementsByTagName("FAM");
foreach (XmlNode node in listINDI)
{
DataRow row = resultTable.NewRow();
foreach (XmlNode cNode in node.ChildNodes)
{
if (cNode.InnerText!=null)
{
foreach (DataColumn cn in resultTable.Columns)
{
if (cNode.Name == cn.ColumnName)
{
row[cNode.Name] = cNode.InnerText;
}
}
}
}
resultTable.Rows.Add(row);
}
foreach (XmlNode node in listFAM)
{
DataRow row = resultTable.NewRow();
foreach (XmlNode cNode in node.ChildNodes)
{
if (cNode.InnerText != null)
{
foreach (DataColumn cn in resultTable.Columns)
{
if (cNode.Name == cn.ColumnName)
{
row[cNode.Name] = cNode.InnerText;
}
}
}
}
resultTable.Rows.Add(row);
}
}
private void ReadXmlDataName(string xmlPath)
{
XmlDocument doc = new XmlDocument();
doc.Load(xmlPath);
XmlNodeList listINDI = doc.GetElementsByTagName("INDI");
XmlNodeList listFAM = doc.GetElementsByTagName("FAM");
foreach (XmlNode node in listINDI)
{
foreach(XmlNode cNode in node.ChildNodes)
{
if (!fieldName.Contains(cNode.Name))
{
fieldName.Add(cNode.Name);
}
}
}
foreach (XmlNode node in listFAM)
{
foreach (XmlNode cNode in node.ChildNodes)
{
if (!fieldName.Contains(cNode.Name))
{
fieldName.Add(cNode.Name);
}
}
}
}
/// <summary>
/// 生成csv文件
/// </summary>
/// <param name="dt">数据表</param>
/// <param name="strName">输出文件全路径</param>
public void ExportToCsv(System.Data.DataTable dt, string strName)
{
try
{
string strPath = strName;
if (File.Exists(strPath))
{
File.Delete(strPath);
}
//先打印标头
StringBuilder strColu = new StringBuilder();
StringBuilder strValue = new StringBuilder();
int i = 0;
try
{
StreamWriter sw = new StreamWriter(new FileStream(strPath, FileMode.CreateNew), Encoding.Unicode);
for (i = 0; i <= dt.Columns.Count - 1; i )
{
strColu.Append(dt.Columns[i].ColumnName);
strColu.Append("\t");
}
strColu.Remove(strColu.Length - 1, 1);//移出掉最后一个,字符
sw.WriteLine(strColu);
foreach (DataRow dr in dt.Rows)
{
strValue.Remove(0, strValue.Length);//移出
for (i = 0; i <= dt.Columns.Count - 1; i )
{
strValue.Append(dr[i].ToString());
strValue.Append("\t");
}
strValue.Remove(strValue.Length - 1, 1);//移出掉最后一个,字符
sw.WriteLine(strValue.Replace(", ", ""));
}
sw.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
//System.Diagnostics.Process.Start(strPath);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message.ToString());
}
}